Sink



FIG. 1 is a top, left, front perspective view of a sink according to my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, right, front perspective view of a sink according to another embodiment of my new design, the top plan view, the front, left side, right side and rear elevational views, and the bottom plan view thereof being mirror images of the respective views shown in FIGS. 2-7 above.

The broken line representations in the figures are for the purpose of illustration only, and form no part of the claimed design.

In a preferred embodiment, the nature of this product is as a sink plumbing fixture primarily useful for washing various objects. 

The ornamental design for a sink, as shown and described. 